Составить 6 предложений Past Progressive, 3 утвердительных, 3 отрицательных

1. When I came home my sister was playing with her doll. When I came home my sister wasn't playing with her doll. 2. I was cooking dinner when my mother came home. I wasn't cooking dinner when my mother came home. 3. While I was cleaning my room my mother was washing the dishes. While I was cleaning my room my mother wasn't washing the dishes